package com.lin.chapter15;

public class Client {
	public static void main(String[] args) {
		Invoker xiaoShan = new Invoker();
		System.out.println("-------------客户要求增加一项需求---------------");
		Command command = new AddRequiredCommand();
		xiaoShan.setCommand(command);
		xiaoShan.action();
	}
}
